PMS request: START
(Original Document)
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At a Glance
This request is used to start a device connected to the INTERBUS bus.
This request is carried out using the SEND_REQ communication function.
Syntax
The syntax of the communication function is presented in the following format:
SEND_REQ(ADDR('r.m.0.pcp'), 16#24, %MWi:L, %MWk:4%, MWj:L)
The following table describes the various parameters of the function.
Parameter
Description
ADDR('r.m.0.pcp')
Address of the destination entity of the exchange.
  • r.m: rack, module,
  • 0 : channel (always 0),
  • pcp: pcp channel number.
16#24
Function code.
%MWi:L
Initialized with the value of the PMS index (constant length of 1).
%MWk:4
Exchange management parameters: four words identifying the address of the Control Expert data used to control the START function.
%MWj:L
Not used for the START function (length = 1).
Management parameters
The following table gives details of %MWk:4 words.
Word number
Most significant byte
Least significant byte
Data managed by
%MWk
Exchange number
Activity bit
system
%MWk+1
Operation report
Communication report
%MWk+2
Timeout
you
%MWk+3
Length: initialization to 1 compulsory before the function is sent